Engine throttle control



M y 1940- T. ZINIT'SMASTER 2,201,070

ENGINE THROTTLE CONTROL Filed Jan. 11, 1938 INVENTOR aejmra ATTORNEYS Patented May 14, 1940 V UNITED STATES ATENT OFFICE I ENGINE THROTTLE CONTROL Tim Zintsmaster, Cleveland Heights, Ohio Application January 11, 1938, Serial No. 184,493 3 Claims. (01. 264-4) The invention relates to a gas regulator and constituting the present invention which commore especially to an attachment for motor'veprises a vertically arranged rotatable governor hicles in association with the accelerator pedal shaft 1 disposed forwardly of the engine or motor and carburetor. block and suitably journaled in vertical position "5* The primary object of the invention is the at 8 and 9, respectively, while through gearing 5 provision of an attachment of this character, connections l0 between said shaft 1 and the mowherein the engine or motor of a motor vehicle tor or engine A the said governor shaft 1 is rocan be assured the proper amount of gas accordtated by the motor or engine, ing to its speed and on depressing the accelerator Fixed to the upper end of the shaft 1 is a 10 more than it should be for a given speed such hanger ii for centrifugally acting weighted gov 30 as the heavy pull, quick get-away or hill climbing ernor arms l2, these through pivot links I3 being of the vehicle, the movement of the accelerator connected with a raising and lowering sleeve M can be felt by the foot of the operator because slidably fitting the shaft l. About the shaft 1 of its pressure against aspring of the attachment between the sleeve i4 and the hanger H is a 5 although the accelerator can be depressed its encoiled compression spring l5 which normally 1o tire length in its association with such attachholds the governor arms l2 in lowered position. ment. On the shaft 1 rotating at varying speeds the Another object of the invention is the provigovernor arms 12 will be raised compressing the sion of an attachment of this character, wherein spring I5. I

the construction thereof is novel and the same is Beneath the sleeve l4 and surrounding the 29 automatic in the working thereof. shaft 1 is an abutment collar 16 being loosely A further object of the invention is the prolinked by bolts IT with the out-turned annular vision of an attachment of this character, which flange It on the lower end of the sleeve l4 while is extremely simple in construction, thoroughly between the said collar and the sleeve [4 surreliable and efiective in operation, automatic in rounding the shaft 1 is acoiled compression spring 25 action, strong, durable, and inexpensive to manl9, being of less compression than the spring l5. ufacture and install. On the engine or motor A adjacent the shaft With these and other objects in view, the in- I is an upstanding bracket 20 having pivoted vention consists in the features of construction, thereto a bell crank lever 2|, its forwardly dicombination and arrangement of parts as will rected forked arm 22 straddling the shaft! be- 30 be hereinafter more fully described, illustrated neath the collar l6, there being adjustable clearin the accompanying drawing, which discloses the ance between this arm 22 and said collar Hi. The preferred embodiment of the invention and arm 22 acts upon the collar when the accelerator pointed out in the claims hereunto appended. pedal D is depressed from its position as shown In the accompanying drawing: with the engine not operated. The other arm 35 Figure 1 is a fragmentary elevation showing of the lever 24 through a coupling rod 23 had a motor vehicle engine or motor being partly in connection with the control valve C. The carsection and having the attachment constructed buretor 25 as is usual is in communication with in accordance with the invention applied herethe intake manifoldof the engine or motor.

with. The collar l6 moves up and down under the 40 Figure 2 is an enlarged vertical sectional View control of the governor according to the engine through the attachment. or motor speed, this collar moving upwardly as Similar reference characters indicate correthe engine or motor increases in speed and thus sponding parts throughout the sev l i w i relieving pressure exerted through accelerator the drawing. pedal D. The spring l9 allows the accelerator 45 Referring to the drawing in detail, A designates pedal D to be depressed to the fu l ex ent of the generally a motor or engine for a motor vehicle, threw thereof y an Operator of he Vehicle and B the transmission lever, C the fuel intake control this ped as is Conventional, ua es the convalve and D the accelerator pedal, respectively. trol valve C of he carburetor 24 in association This accelerator pedal has acting thereon a spring with the motor or en e A- 50 5 Which normally holds the same in full raised A P 25 is p sed ransversely throug the position while connecting said pedal with the shaft 7 and also through slots 26 in the sleeve control valve C is a push rod 5. In association It. The sleeve [4 is limited in its downward with the engine or motor A the control valve movement by the pin 25 which is rigidly fastened C and the accelerator pedal D is the attachment in the shaft 7 and passes through slots 26 in the 55 said sleeve, said pin contacting With the upper ends of the slots 26 during normal inactive position. With this arrangement the sleeve can move freely upward as the speed of the governor increases, the length of the slots 26 being such that the pin will not contact with the bottom of the said slots.

In the operation of the attachment, While going up a hill, the pressure on the accelerator pedal D can be felt due to the arm 22 coming in contact with the abutment collar l6 providing the driver pushes pedal D down to attempt to rapidly accelerate the car. With the device hereinbefore described the operator can tell when he has depressed the accelerator pedal too far by pressure of the arm 22 against the collar l and thus efiect a saving of gasoline.

The spring l9 allows the accelerator pedal D to be depressed to the full extent of the throw thereof by an operator of the vehicle and this pedal as is conventional actuates the control valve 0 of the carburetor 24 in association with the motor or engine A.

It is to be understood that I do not wish to be limited to the exact embodiment of my device as disclosed, for various other equivalents are possible without departing from the spirit of the invention or scope of the appended claims.

What is claimed is:

1. A speed responsive device for an engine having a throttle valve actuating means, comprising rotary means driven by the engine, speed responsive means actuated by said rotary means for offering a resistance to throttle control movement in the throttle opening direction within a low speed range of engine speeds and decreasing resistance to said throttle valve actuating means with increase in engine speed, and connections between the last named means and the said throttle valve actuating means.

2. A speed responsive device for an engine having a throttle valve actuating means, comprising rotary means driven by the engine, speed responsive means actuated by said rotary means for offering a resistance to throttle control movement in the throttle opening direction within a low speed range of engine speeds and decreasing resistance to said throttle valve actuating means with increase in engine speed, connections between the last named means and the said throttle valve actuating means, and a spring cooperating with the second named means and throttle valve actuating means.

3. A speed responsive device for an engine having a throttle valve actuating means, comprising a shaft driven by said engine, weighted arms rotating with said. shaft and swingable relative thereto, a sleeve slidable on said shaft, a spring about said shaft between the sleeve and the point of connection of the arms with said shaft for tensioning the said arms, a flange on said sleeve, a compression spring surrounding said shaft and working against said sleeve, an abutment collar on the shaft and loosely linked to said flange for coacting with the compression spring, and means operative against the abutment collar and having connection with the throttle actuating means.

TIM 'ZINTSMASTER. 

